Ordered mesoporous silica to the rescue: A potential anti-contamination ally for pesticide capture in soil
Colloids and Surfaces A Physicochemical and Engineering Aspects,
Год журнала:
2025,
Номер
715, С. 136634 - 136634
Опубликована: Март 18, 2025
Язык: Английский
Adsorption of neomycin from water using activated carbon from flax seeds
South African Journal of Chemical Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 1, 2025
Язык: Английский
Enhancing Biosorbent Stability, Performance Efficiency, and Cost-effectiveness: A Ternary Magnetic Composite for Sequestration of Multiple Toxic Metals from Water
Langmuir,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 2, 2025
Innovative
low-cost
magneto-biochar-clay
(MBC
1:2:1
and
MBC
1:3:1)
composite
adsorbents
formed
by
a
one-step
combination
of
magnetic
nanoparticles
(MNP),
biochar
(from
grape
cluster
stalk),
feldspar
clay
were
employed
for
Cd(II),
Cr(VI),
Cu(II)
removal
from
simulated
contaminated
aqueous
solution.
The
composites
expressed
higher
cation
exchange
capacity
BET
surface
area
compared
to
the
clay,
as
well
characteristic
biobased
functional
groups
such
hydroxyls,
carboxyls,
amides.
optimum
efficiency
was
achieved
at
0.66
g/L
solid-to-liquid
ratio,
equilibrium
attained
720
min
all
three
ions.
adsorption
process
via
electrostatic
interactions
within
pores
(>90%
total
adsorption).
Surface
involved
in
are
-OH,
-COO-,
-C-N.
An
increase
concentration
solution
enhanced
Cr(VI)
86
79%
on
1:3:1,
respectively,
while
reducing
Cd(II)
uptake
65
52%,
respectively.
data
described
Langmuir
Langmuir-Freundlich
isotherm
models.
Higher
temperature
slightly
adsorption,
no
impact
observed
adsorption.
adsorbent
reusability
study
confirmed
that
remained
high
after
five
cycles,
only
during
first
cycle.
Thus,
is
cost-effective
efficient
and,
due
its
properties,
can
easily
be
applied
water
treatment
water.
Язык: Английский
High-Performance Photocatalytic Degradation of Tetracycline and Ciprofloxacin by Ag-ZnO-Decorated Graphene Oxide Sponge
Industrial & Engineering Chemistry Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 4, 2025
Язык: Английский
Simultaneous Adsorption of Ampicillin and Lead by a Highly Stable UiO-66-NH2/TiO2 Nanocomposite from Water: Mechanism, Kinetics, Equilibrium, Thermodynamics, and Regeneration Studies
Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
63(46), С. 20343 - 20355
Опубликована: Ноя. 11, 2024
A
zirconium-based
metal–organic
framework
(UiO-66-NH2)
was
fabricated,
which
then
hybridized
with
TiO2.
The
synthesized
adsorbent
utilized
for
the
adsorption
of
ampicillin
(AMP)
and
lead
(Pb(II))
from
an
aqueous
solution.
main
characterization
analyses
including
Fourier
transform
infrared
(FTIR)
spectroscopy,
X-ray
diffraction
(XRD),
N2
adsorption/desorption
isotherms,
thermogravimetry
(TG),
energy-dispersive
spectroscopy
(EDS),
elemental
mapping,
transmission
electron
microscopy
(TEM),
field-emission
scanning
(FESEM),
water
contact
angle,
XPS
affirmed
correctness
synthesis.
nanocomposite
UiO-66-NH2/TiO2
had
a
high
crystallinity,
surface
area
(1050
m2/g),
stability
up
to
600
°C.
Adsorption
experiments
were
performed
explore
different
parameters
affecting
adsorption.
results
revealed
fast
kinetics
this
adsorbent.
majority
AMP
Pb(II)
adsorbed
in
30
min,
pseudo-second-order
kinetic
model
better
agreement
empirical
data
(R2
≥
0.993).
Furthermore,
Langmuir
isotherm
0.987)
fitted
compared
Freundlich
0.920).
maximum
capacity
625.7
mg/g
gained
769.2
(pH
7
±
0.1
T
=
300
1
K),
1.3
1.5
times
greater,
pristine
UiO-66-NH2.
thermodynamic
study
demonstrated
that
process
AMP/Pb(II)
by
is
spontaneous
exothermic.
allocated
area,
large
number
active
sites,
hydrogen
bonding,
hydrophobic
forces,
electrostatic
interactions,
π–π
interactions.
Finally,
acceptable
reusability
five
regeneration
cycles.
With
its
sustainable
easy
fabrication,
remarkable
performance,
excellent
capability,
emerges
as
highly
effective
industrial
wastewater
treatment
applications.
Язык: Английский
Self-assembly of ZnO-Biochar/Kaolinite/Chitosan/GO with 1D/2D/3D heterojunctions for enhanced removal of estrogens and triclosan in water
BMC Chemistry,
Год журнала:
2024,
Номер
18(1)
Опубликована: Дек. 18, 2024
This
Study
focuses
on
the
preparation
of
sustainable
and
efficient
Chitosan
catalyst
for
removal
three
organic
pollutants,
17β-Estradiol
(E2),
17α-ethynyl
estradiol
(EE2)
triclosan
(TCS)
from
water.
The
prepared
nanocomposites
were
characterized
by
different
techniques
which
confirmed
presence
key
components
Chitosan,
Carica
Papaya
seed
Kaolinite.
optical
characterization
proved
nanocomposite
is
photoactive
with
a
band
gap
1.81
eV
1.77
Chitosan/kaolinite
biochar
(CS/KBC)
biochar/GO
(CS/KBC/GO)
respectively,
confirming
ability
to
be
active
in
visible
light
region
spectrum.
degradation
experiment
using
CS/KBC/GO
was
observed
better
100%
5
mg/L
E2
EE2
over
60
min
97.8%
120
10
TCS
at
optimum
conditions
(pH
3
E2,
pH
7).
It
that
superoxide
radical
played
major
role
contaminants.
Furthermore,
four
cycles
without
any
decrease
performance,
rules
out
question
deactivation
proving
sustainability
catalyst.
toxicity
test
shows
water
safe
as
it
does
not
harm
cerio
daphnia
silvestrii
organism.;
efficiently
removed
micropollutants
real-life
waste
samples
performance
very
good
slight
wastewater
due
complex
matrix
sample
competes
site.
Язык: Английский